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Whenever I boot my computer I have a warning box come up saying " Windows cannot find C:Windows\shell.exe Program not found.... Internet Explorer tries to pop up off and on and the warning box pops up. I have run numerous scanning and removal programs and removed trojans and malware but it keeps coming up. Here is my Hijackthis logfile. Thanks for any help. Keith

Before we start please go to TrojanHunter Guard in the lower right corner of your screen. It is a lightblue icon with a magnifying glass that can be difficult to see but the handle is red. Right click it and select settings. Uncheck "Load at startup" and "Enabled". Make sure that the program, TrojanHunter itself, is also closed/not running.

Refering to the picture below, drag CFScript.txt into ComboFix.exeThis will let ComboFix run again.Restart if you have to.Save the produced logfile to your desktop.

Note: Do not mouseclick combofix's window whilst it's running. That may cause it to stall------------------------------------------------------------------------------------------------

Open HJT by navigating to your HijackThis folder and double clicking on HijackThis.exe. Select the second button entitled "Do a system scan only".Now select the followng entries by placing a tick in the left hand check box

Once you have selected all entries, close all running programs then click once on the "fix checked" button to clear the entries from your log.----------------------------------------------------------------------------------------------

Next, reboot your PC. Please post back with the new Combofix log along with a fresh HijackThis log, along with a description of how the PC is running.

The file "O4 - HKLM\..\Run: [e84bc871] rundll32.exe "C:\WINDOWS\system32\ujpycwiw.dll",b , did not show up on my scan and when I did everything you listed and rebooted my pc froze on the reboot. I had to repeat the process 3 times but it finally cycled through ok. I haven't had the shell warning come up lately or IE popping up in the middle of a game. Here are the logs..

Your Combofix log is incomplete as posted. Please post the entire contents of the latest combofix scan (it will be in your C:\ drive, probably named Combofix2.txt.) If there are more, choose the latest one. When it is open, select the entire contents (Ctrl + A), copy them (Ctrl + C), and paste them (Ctrl + V) back here as a reply to this post.

Select your Destination Folder and click Next.The default is set to C:\Program Files\CCleaner. This is OK to use, unless you would prefer it installed to another permanent folder.

Choose your Install Options.

Click Install.

Click Finish when prompted.

To run:

Before first use, check under Options, Advanced, and UNCHECK "Only delete files in Windows Temp folder older than 48 hours".

A pop up box will appear advising this process will permanently delete files from your system.

Then select the items you wish to clean up. (See note below)

In the Windows Tab:

Clean all entries in the "Internet Explorer". If you prefer to keep your cookies, uncheck the Cookies entry. Deleting cookies will require re-entry of user names and passwords on next visit to sites that require users log in.

Clean all the entries in the "Windows Explorer" section.

Clean all entries in the "System" section.

Clean all entries in the "Advanced" section.

Clean any others that you choose.

In the Applications Tab:

Clean all (optionally, except cookies) in the Firefox/Mozilla section if you use it.

Clean all in the Opera section if you use it.

Clean Sun Java in the Internet Section.

Clean any others that you choose.

Then click the "Run Cleaner" button and it will scan and clean your system.

If you are having problems with the updater, you can use this link to manually update ewido.AVG Anti-Spyware manual updates.Download the Full database to your Desktop or to your usual Download Folder and install it by double clicking the file. Make sure that AVG Anti-Spyware is closed before installing the update.

Close ALL open Windows / Programs / Folders. Please start AVG Anti-Spyware and run a full scan.

Click on Scanner on the toolbar.

Click on the Settings tab.

Under How to act?

Click on Recommended Action and choose Quarantine from the popup menu.

Under How to scan?

All checkboxes should be ticked.

Under Possibly unwanted software:

All checkboxes should be ticked.

Under Reports:

Select Automatically generate report after every scan and uncheck Only if threats were found.

Under What to scan?

Select Scan every file.

Click on the Scan tab.

Click on Complete System Scan to start the scan process.

Let the program scan the machine.

When the scan has finished, follow the instructions below.IMPORTANT : Don't click on the "Save Scan Report" button before you did hit the "Apply all Actions" button.

Make sure that Set all elements to: shows Quarantine(1), if not click on the link and choose Quarantine from the popup menu. (2)

At the bottom of the window click on the Apply all Actions button. (3)

Well congrats, it appears your system is all clean. Are you still noticing any problems? If not, it's time to secure your system to prevent against further intrusions.

THESE STEPS ARE VERY IMPORTANT

Let's reset system restoreReset and Re-enable your System Restore to remove infected files that have been backed up by Windows. The files in System Restore are protected to prevent any programs changing those files. This is the only way to clean these files: You will lose all previous restore points which are likely to be infected. Please note you need Administrator Access to do clean the restore points.

1. Turn off System Restore.On the Desktop, right-click My Computer.Click Properties.Click the System Restore tab.Check Turn off System Restore.Click Apply, and then click OK.

2. Reboot.

3. Turn ON System Restore.On the Desktop, right-click My Computer.Click Properties.Click the System Restore tab.UN-Check *Turn off System Restore*.Click Apply, and then click OK.NOTE: only do this ONCE,NOTon a regular basis

IMPORTANT: You Need to Update Windows and Internet Explorer to protect your computer from the malware that is around on the Internet. Please go to the windows update site to get the critical updates.

If you are running Microsoft Office, or any portion thereof, go to the Microsoft's Office Update site and make sure you have at least all the critical updates installed (Free) Microsoft Office Update.

Make your Internet Explorer more secure

This can be done by following these simple instructions:From within Internet Explorer click on the Tools menu and then click on Options.Click once on the Security tabClick once on the Internet icon so it becomes highlighted.Click once on the Custom Level button.Change the Download signed ActiveX controls to PromptChange the Download unsigned ActiveX controls to DisableChange the Initialize and script ActiveX controls not marked as safe to DisableChange the Installation of desktop items to PromptChange the Launching programs and files in an IFRAME to PromptChange the Navigate sub-frames across different domains to PromptChange the allow paste operations via script to DisableWhen all these settings have been made, click on the OK button.If it prompts you as to whether or not you want to save the settings, press the Yes button.Next press the Apply button and then the OK to exit the Internet Properties page.

The following are recommended third party programs that are designed to keep your computer clean. A link as well as a brief description is included with each item.

Download AdawareAdaware is a free program. It scans for known spyware on your computer. These scans should be run at least once every two weeks. For more information, see this tutorialThe program is available for download here

Download SpywareBlasterSpyware blaster is a program that stops known malicious activex controls from installing on your computer. It works by changing settings in your registry. It makes "kill bits" in the registry, so that certain activex controls can't install.If you don't know what activex controls are, see hereYou can download SpywareBlaster here here

Download and install SiteHound by Firetrust for protection against malicious websites.

Pick the version that matches your browser. Once the download is complete, double-click the install icon and follow the prompts of the install wizard.

hosts file:

Every version of windows has a hosts file as part of them.

In a very basic sense, they are used to locate webpages.

We can customize a hosts file so that it blocks certain webpages.

However, it can slow down certain computers.

This is why using a hosts file is optional!!

Download it here. Make sure you read the instructions on how to install the hosts file. There is a good tutorial hereIf you decide to download the hosts file, the slowdown problems can usually be avoided by following these steps:

Click the start button (at the lower left hand corner of your screen)

Click run

In the dialog box, type services.msc

hit enter, then locate dns client

Highlight it, then double-click it.

On the dropdown box, change the setting from automatic to manual.

Click ok

Get Anti Virus Software and keep it updated - It is imperative that you have Anti virus software and that you update it at least once a week (Even more if you wish). If you do not update your anti virus software then it will not be able to catch any of the new variants that may come out. See here to choose one

Use a Firewall - I can not stress how important it is that you use a Firewall on your computer. Without a firewall your computer is susceptible to being hacked and taken over. Simply using a Firewall in its default configuration can lower your risk greatly. For more info, check this webpage out.See here to choose one

Just a final reminder for you. I am trying to stress these two points.UPDATE UPDATE UPDATE!!! Make sure you do this about every 1-2 weeks.Make sure all of your security programs are up to date.Run the spybot and adaware regularly. (Once or twice a week minimum.)Visit Microsoft's Windows Update Site Frequently - It is important that you visit http://www.windowsupdate.com regularly. This will ensure your computer has always the latest security updates available installed on your computer. If there are new updates to install, install them immediately, reboot your computer, and revisit the site until there are no more critical updates.

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